• James Carroll, Laura Bennett, Cheng Feng, Kellie Gumm, Ian Hayes, and David J Read.
• Trauma Unit, Royal Melbourne Hospital, Parkville, Australia; University of Queensland School of Medicine, Brisbane, Australia. Electronic address: James.carroll@uqconnect.edu.au.
• World Neurosurg. 2023 Jun 15.

BackgroundAcute colonic pseudo-obstruction (ACPO) is a potentially highly morbid surgical complication. The incidence of ACPO following spinal trauma is unknown, but is likely higher than after elective spinal fusion. The purpose of this study was to establish the incidence of ACPO in patients with major trauma undergoing spinal fusion for unstable thoracic and lumbar fracture, and secondly, to characterize the nature of ACPO in this group, including treatment and complications.MethodsA metropolitan hospital prospective trauma database was utilized to identify all patients from November 2015 to December 2021 meeting major trauma criteria and undergoing thoracic or lumbar spinal fusion for fracture. Individual records were then evaluated for occurrence of ACPO. ACPO was defined as radiologic evidence of colonic dilation without mechanical obstruction in symptomatic patients undergoing dedicated abdominal imaging.ResultsAfter exclusions, 456 patients with major trauma undergoing thoracic or lumbar spinal fusion were identified. ACPO occurred in 34-an incidence rate of 7.5%. There was no evidence of difference in terms of the spinal fracture type, level, surgical approach, or number of segments fused. There were no perforations; only 2 patients required colonoscopic decompression and none required surgical resection.ConclusionsACPO occurred at a high frequency in this group of patients, although it required relatively simple treatment. High vigilance for ACPO should be maintained in trauma patients requiring thoracic or lumbar fixation, with a view to early intervention. The etiology driving the high rates of ACPO in this cohort is not understood and would benefit from further investigation.Copyright © 2023 Elsevier Inc. All rights reserved.

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